Outpatient

Criteria

Patients must have no indications for hospitalization.

  • Age less than 2 months

  • Sepsis (e.g. toxic appearance, hypotension, poor capillary refill)

  • Immunocompromised patient

  • Vomiting or inability to tolerate oral medication

  • Lack of adequate outpatient follow-up (eg, no telephone, live far from hospital)

  • Failure to respond to outpatient therapy

  • Genitourinary abnormalities

Empiric Antimicrobial Regimen

OR

Max: 250-875 mg/dose amoxicillin (750-1750 mg/day)

Use 7:1 formulation
Clavulin®-200 (40 mg/mL)
Clavulin®-400 (80 mg/mL)

  • Tablets not recommended in children less than 12 years old due to higher ratio of clavulanic acid to amoxicillin. Tablets are not equivalent to suspension.

  • Various formulations of suspension exist and are not all equivalent.

  • BID dosing is preferred for the 40 mg/mL suspension (Clavulin®-200)

  • To reduce gastrointestinal upset:

  • Administer with food

  • Limit clavulanic acid to approximately 10 mg/kg/day if possible

  • Use BID dosing schedule to reduce diarrhea

OR

  • Use only in greater than/equal to 2 months old)

  • Max: 160 trimethoprim/dose

  • Avoid use in infants less than 2 months old unless other options are not available (do not use in infants less than 1 month old).

  • Sulfa antibiotics may displace bilirubin from protein binding sites, potentially leading to hyperbilirubinemia and kernicterus in neonates and young infants.

Duration

Febrile UTI 7-10 days

Afebrile UTI: 3-5 days